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authorSubrata Banik <subratabanik@google.com>2024-07-16 13:26:31 +0000
committerSubrata Banik <subratabanik@google.com>2024-07-18 06:01:14 +0000
commit0c66434b831c0e9086774944e2b83bc321ad1624 (patch)
tree48ae8c9471feebeb929fadb309a86ff5f1837bb6
parente7c926482dcd2ab83d0686ec1decc72f59dcd1da (diff)
soc/intel/cmn/pch: Consolidate eSPI.h into IA common code
This patch moves the SoC-specific `eSPI.h` file into the IA common code to promote code reuse and reduce duplication across different SoC generations. TEST=Builds successfully for google/rex. Change-Id: Icb09421eec45c1ef8ab50252543b000078f18b21 Signed-off-by: Subrata Banik <subratabanik@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83483 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <ericllai@google.com>
-rw-r--r--src/soc/intel/common/pch/include/intelpch/espi.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/soc/intel/common/pch/include/intelpch/espi.h b/src/soc/intel/common/pch/include/intelpch/espi.h
new file mode 100644
index 0000000000..f1d35d0566
--- /dev/null
+++ b/src/soc/intel/common/pch/include/intelpch/espi.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _INTELPCH_ESPI_H_
+#define _INTELPCH_ESPI_H_
+
+/* PCI Configuration Space (D31:F0): ESPI */
+#define SCI_IRQ_SEL (7 << 0)
+#define SCIS_IRQ9 0
+#define SCIS_IRQ10 1
+#define SCIS_IRQ11 2
+#define SCIS_IRQ20 4
+#define SCIS_IRQ21 5
+#define SCIS_IRQ22 6
+#define SCIS_IRQ23 7
+#define SERIRQ_CNTL 0x64
+#define ESPI_IO_DEC 0x80 /* IO Decode Ranges Register */
+#define COMA_RANGE 0x0 /* 0x3F8 - 0x3FF COM1 */
+#define COMB_RANGE 0x1 /* 0x2F8 - 0x2FF COM2 */
+#define ESPI_GEN1_DEC 0x84 /* ESPI IF Generic Decode Range 1 */
+#define ESPI_GEN2_DEC 0x88 /* ESPI IF Generic Decode Range 2 */
+#define ESPI_GEN3_DEC 0x8c /* ESPI IF Generic Decode Range 3 */
+#define ESPI_GEN4_DEC 0x90 /* ESPI IF Generic Decode Range 4 */
+#define LGMR 0x98 /* ESPI Generic Memory Range */
+#define PCCTL 0xE0 /* PCI Clock Control */
+#define CLKRUN_EN (1 << 0)
+
+#endif /* _INTELPCH_ESPI_H_ */